Development and evaluation of 3D virtual tours as a cognitive basis of Chemistry laboratories at UTSV

The objective of this article is to develop virtual tours in three dimensions (3D) of the Chemistry laboratories of the Technological University of the Southeast of Veracruz (UTSV). For its progress, it was carried out: analysis, selection, training, design, development and integration of software and hardware tools. The same ones that were necessary for the development of virtual reality on 3D modeling of the General Chemistry, Instrumental Analysis and Chemical Plants laboratories, achieving a product that would allow university students to be approached virtually, and thus be able to know the spaces and devices located in each laboratory, where it presents the description of the operation of each of the equipment, by means of multimedia effects accompanied by an avatar within the virtual tour. Finally, the final result was evaluated with a group of students with the support of the Chemistry teachers and knowledgeable about the laboratory spaces, where the degree of acceptance and perception was obtained as a consequence through a survey carried out.

Web System Reactiva TEC

This article presents the development and application of a web system that allows the registration of data from small businesses, in order to publicize their products and services, as well as their opening hours, type of payment received, location, social networks and telephone. There are three types of users: the administrator, the business owner, and the customer. The SCRUM methodology is applied for its development. Only the Execution and Adaptation phases will be presented in this article. In addition, its improvements and application in businesses in the San Martín Texmelucan región are visualized, an MVC architecture (Model-View-Controller) and free development technologies were used.

Web Application for the Management of Projects of the Division of Postgraduate Studies and Research of the Technological Institute of Oaxaca

In accordance with the calls for proposals for technological development and innovation and scientific research projects, issued by the National Technological Institute of Mexico (TecNM), each campus belonging to the TecNM must carry out the management of the projects that are authorized in each period in order to have timely information on the status of each project in terms of progress, application of resources, goals achieved, etc. Based on these needs in the Technological Institute of Oaxaca, specifically in the Coordination of the Division of Postgraduate Studies and Research, the need to have a web tool that supports said project management becomes clear. The objective of this web tool is precisely the management, control and monitoring of the stages, advances, items and sub-items of the research project financing, based on the periods established by the TecNM, maintaining effective communication between the institutional coordinator and the project leader through notifications. The agile extreme programming model, JavaScript and the Express framework were used in the development of the software.

Greenhouse temperature control based on Fuzzy Logic

There is a close relationship between crop growth and the control of environmental variables, as well as irrigation and fertilizers supplied. This article presents a system for collecting a greenhouse temperature, capable of acting in the opening or closing window system as a regulator of this environmental variable. Controlling the temperature acting on the opening or closing of the windows is convenient, since it does not require additional fuel, resulting in an economical alternative. Regarding control algorithm, Fuzzy Logic was used as a correction temperature technique. The proposal can be a good option for greenhouses that are not automated yet, saving costs by moving from human-assisted monitoring to automatic temperature monitoring.

Prototype of a web and mobile application for inventory management of a parts store using QR code

Micro-companies have been a sector with a great disadvantage in recent months due to the global health problem; hence, the interest in offering a technological tool that allows them to improve customer service. The objective of this article is to present a project, which it was developed for an automotive parts store in Oaxaca city. The idea of introducing technologies such as the use of web applications integrating the QR code to facilitate inventory management will allow these micro-companies to offer an improved service. The contribution of this project is that it can be adapted to different types of micro-companies that require technological tools that support them in their survival in an increasingly competitive market. The prototype is developed with the agile Extreme Programming (XP) methodology, and the tools used are Laravel and Boostrap frameworks for the web application and for the mobile application: Android Studio and Material Design.

Development of interface for kinematic analysis of a delta-type parallel robot

The development and implementation process of a computer interface for the kinematic analysis of a parallel robot, in delta configuration, and its application to a previously formed prototype are exposed. Being identified the associated equations, and deduced the respective geometric parameters. On the other hand, the synthesis of the direct and inverse kinematic models, with the Matlab software, guarantees the calculation of a specific Cartesian position, in the end effector of the robot used, once certain joint values have been assigned to it, or vice versa. Finally, a user-friendly graphical interface is created, whose functions are: data entry, resolution of the models described, issuance of the corresponding results, representation of the robot used and its physical manipulation. The results obtained in the real location of the end effector with respect to the values deduced by the interface, are competitive for both models analyzed, even though the prototype used operates by means of servomotors. An average position error of 0.083 cm per axis and overall of 0.006 cm is observed during the tests developed.

A didactic platform for the study of Linear Quadratic Regulator (LQR) control for Trajectory Tracking of dc motor

The main objective of this work is to show in detail the methodology to apply the Linear Quadratic Regulator (LQR) for Trajectory Tracking in an experimental way in a didactic platform which consists of a DC motor, the motor model is explained, and how the parameters were estimated experimentally and the validation thereofs. Results are shown applying the LQR control in simulation and experimentally.

Use of the Learning Management System (LMS) at the Instituto Tecnológico de Oaxaca

Educational platforms are tools that facilitate the teaching learning process. The LMS platforms: Edmodo, Schollogy and Moodle complement this process between students and professors. The use of these platforms was analyzed at the Technological Institute of Oaxaca, with the participation of students from the following careers: Electronic Engineer, Electrical Engineer, Civil Engineer, Mechanical Engineer, Industrial Engineer, Chemical Engineer, Business Management Engineer, Computer Systems Engineer, Bachelor of Administration and professors; all of them agree with that the most used platform is Moodle. One of the main objective is identify and classify the LMS used by students of the semesters: second, fourth, sixth, eighth and tenth, as well as teachers during the period January-June 2019. In addition, it was analyzed the use of LMS and the percentage of students and professors who use the platform as a teaching-learning strategy is determined. For the analysis of the use of LMS in the Technological Institute of Oaxaca, the methodology that was considered consists in the next phases: problem statement, definition of objective, elaboration of the theoretical framework, elaboration and analysis of surveys, process design and conclusions.

Psychological problems of employees and students who work ON-LINE during the COVID19 Contingency

The recent COVID 19 pandemic has brought with it a different way of living for all humanity, in this situation the way we communicate, socialize, shop and work among many other activities has changed considerably. The main objective of this research is to detect whether psychological problems such as: anxiety, depression, stress, exhaustion, and low concentration are factors that influence work and school deterioration in people who carry out activities ON-LINE. The investigation was realized in the municipality of Nezahualcóyotl during confinement at home due to the COVID-19 pandemic. The research results highlight that the main psychological problems presented by students and employees is "exhaustion" (27%), followed by "low concentration" (26%) and "stress" (18%). More than half of the interviewees consider that the origin of these psychological problems are workloads and tasks; While 11% say it is due to the situation of the pandemic and in the presence of these problems, 89% say that they have caused the deterioration of their activities.

The E-learning educational model, a different experience in Solfeggio classes during COVID-19

From a totally face-to-face teaching, the Solfeggio subject, like others included in the curriculum of a musician, required an improvement from models that would ensure its development in the exceptional conditions in which the world lives after the onset of the pandemic (Covid-19). This work is to recapitulate the modifications made to the instructional design of the Solfeggio for the e-learning modality in the Academic Unit of Arts of the Autonomous University of Zacatecas (UAAUAZ), Mexico. Basically, the instructional design was carried out according to the characteristics of the ASSURE model, which facilitates the continuity of the teaching-learning process and the participation of students in a synchronous and asynchronous manner.